Overview
The Chatsworth Products (CPI) QuadraRack 4-Post Frame provides the stability and strength of an enclosure in an open mounting system. Designed for communications equipment rooms, this 9 ft (2.7 m) four-post frame supports large modular network switches, voice switches, routers, and data processing equipment on 19-inch wide, EIA-310-D compliant mounting channels. The QuadraRack frame accommodates 58 rack units (58U) of equipment with a 2,000 lb load capacity, making it ideal for dense server and networking deployments in data centers, telecom rooms, and enterprise IT environments.
Features
- Four-post frame with 3-inch deep C-shaped equipment mounting channels for secure 19-inch rack-mount equipment installation
- 2,000 lb equipment load capacity supports dense server, switch, and router configurations
- Threaded #12-24 equipment mounting holes speed installation of rack-mount equipment and shelving without cage nuts
- Universal hole pattern with 5/8″-5/8″-1/2″ alternating vertical mounting hole spacing per EIA-310-D
- RMU spaces are marked and numbered on mounting channels for fast, accurate equipment placement
- Quick assembly with one-piece top and bottom pan sets and bolted construction
- Compatible with CPI Cabling Sections for integrated cable management
- Easy to bay together to create multi-frame configurations for scalable deployments
- Fixed mounting channels positioned 29 inches apart front-to-rear
- Grounding studs provided in two locations for optional ground jumper installation
- Includes 100 #12-24 equipment mounting screws, assembly hardware, base angles, top angles, and pan sets
- OSHPD preapproval (OPM-0260) for seismic compliance in healthcare and critical facility installations
Specifications
| Manufacturer | Chatsworth Products (CPI) |
|---|---|
| Model Number | 50120-708 |
| SKU | 22003225 |
| UPC | 70395722017 |
| Type | 4-Post Equipment Frame |
| Height | 9 ft (2.7 m) / 108 in |
| Width | 19 in (EIA-310-D) |
| Depth | 29 in (740 mm) |
| Rack Units | 58U |
| Usable Height | 101.7 in |
| Load Capacity | 2,000 lb |
| Mounting Holes | Threaded #12-24 |
| Hole Pattern | Universal 5/8″-5/8″-1/2″ alternating |
| Channel Depth | 3 in C-shaped |
| Material | Aluminum extrusion and aluminum sheet |
| Finish | Epoxy-polyester hybrid powder coat, Black |
| Color | Black |
| Assembly | Bolted, ships unassembled |
| Shipping Weight | 69 lb (31.3 kg) |
| Certifications | EIA-310-D, OSHPD OPM-0260, TAA Compliant |
| Country of Origin | United States |
Includes
- 1 top pan
- 1 bottom pan
- 4 mounting channels (2 grounded, 2 ungrounded)
- 2 base angles
- 2 top angles
- Assembly hardware (3/8-16 hex head bolts, paint-cutting washers, hex nuts)
- 100 #12-24 equipment mounting screws



